Cleaning brush



FIG. 1 is a perspective view of a cleaning brush showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an exploded perspective view of the cleaning brush.

The broken lines in the drawings depict portions of the cleaning brushthat form no part of the claimed design.

CLAIM The ornamental design for a cleaning brush, as shown anddescribed.